dt 486 EISA (TC30) Motherboard Settings and Configuration

Processor	80486SX/80486DX/80486DX2
Processor Speed	25/33/50(internal)/66(internal)MHz
Chip Set	Texas Instruments
Max. Onboard DRAM	64MB
Cache	None
BIOS	Phoenix
Dimensions	355mm x 304mm
I/O Options	Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA port
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 2	CN1	Floppy drive interface	J2
Serial port 1	CN2	IDE interface 1	J15
Parallel port	CN3	Flat cable LED, speaker & batteries	J23
VGA port	CN4	IDE interface 2	J26

USER CONFIGURABLE SETTINGS
Function		Switch	Position
»	Factory configured - do not alter	SW1/4	N/A
»	Battery - Rechargeable	SW1/5	On
	Battery - Non-rechargeable	SW1/5	Off
»	Factory configured - do not alter	SW1/6	N/A
»	Factory configured - do not alter	SW1/7	N/A
»	Factory configured - do not alter	SW1/8	N/A

DRAM CONFIGURATION (DT 486DX/66, DT 486DX/50 & DT 486DX/E)
Expansion from:	Expansion to:	Bank 0	Bank 1	Bank 2	Bank 3
8MB	16MB	NONE	NONE	(4) 1M x 9	(4) 1M x 9
8MB	40MB	NONE	NONE	(4) 4M x 9	(4) 4M x 9
0MB	32MB	(4) 4M x 9	(4) 4M x 9	NONE	NONE
8MB	64MB	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9
Note:8MB is internal memory and is not configurable

.

DRAM SWITCH CONFIGURATION (DT 486DX/66, DT 486DX/50 & DT 486DX/E)
Expansion from:	Expansion to:	Bank(s)	SW1/1	SW1/2	SW1/3
8MB	16MB	2 & 3	Off	Off	On
8MB	40MB	2 & 3	On	Off	Off
0MB	32MB	0 & 1	On	On	Off
8MB	64MB	2 & 3	Off	On	Off

DRAM CONFIGURATION (DT 486SX/E)
Expansion from:	Expansion to:	Bank 0	Bank 1	Bank 2	Bank 3
4MB	8MB	NONE	(4) 1M x 9	NONE	NONE
4MB	16MB	NONE	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9
0MB	16MB	(4) 4M x 9	NONE	NONE	NONE
4MB	24MB	NONE	(4) 1M x 9	(4) 4M x 9	NONE
0MB	32MB	(4) 4M x 9	(4) 4M x 9	NONE	NONE
4MB	40MB	NONE	(4) 1M x 9	(4) 4M x 9	(4) 4M x 9
0MB	64MB	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9
Note:4MB is internal memory and is not configurable

.

DRAM SWITCH CONFIGURATION (DT 486SX/E)

Note: The switch settings are unidentified by the manufacturer.